P Premier M Magnetics Inc. 2.25 WATT ETHERNET DC/DC CONVERTERS "INNOVATORS IN MAGNETICS TECHNOLOGY" FEATURES ! " # $ INPUT SPECIFICATIONS 2.25 Watts Fully Regulated Output Continuous Short Circuit Protection 5-Pin Low Profile Package % Voltage ................................................. 12.0Vdc % Voltage Range ......................................... ±10% % Input Filter ............................................... π Filter OUTPUT SPECIFICATIONS GENERAL SPECIFICATIONS % % % % % % % % % % % Efficiency (regulated) .................... 50% min. Switching Frequency .................. 20KHz min. Isolation Voltage .................. 2500Vdc min. Operating Temperature ........... 0 to +71OC Storage Temperature ............ -40 to +85OC Voltage ............................................... Per Table Voltage Accuracy ...................................... ±5% Short Circuit Protection ....... Power Foldback Ripple & Noise 20MHz BW ........... 100mV p-p Line Regulation .................................... ±0.30% Load Regulation .................................. ±0.50% ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERATURE RANGE 0OC TO 71OC PART NUMBER INPUT VOLTAGE (Vdc) OUTPUT VOLTAGE (Vdc) OUTPUT CURRENT (mA max.) REGULATED OUTPUT 12 12 9 +10/+5 250 150/110 YES YES B4AR120925 B4AR121051 INPUT CURRENT (mA typ.) NO LOAD FULL LOAD 50 60 380 350 SCHEMATIC PACKAGE PIN CONNECTIONS PHYSICAL DIMENSIONS .... DIMENSIONS IN mm (inches) 0.400 (10.16) PIN NUMBER B4AR120925 B4AR121051 0.400 (10.16) .040 DIA. (1.02) 1 2 3 4 5 1.30 (33.00) .400 .400 (10.16) (10.16) 4 -OUT 5 .800 (20.32) 1 1.30 (33.00) P M + OUT + 5 NC B4AR120925 YYWW 2 -- + IN IN .200 (5.08) +INPUT -INPUT +10V COMMON +5V .250 (6.35) .250 (6.35) 3 +INPUT -INPUT N/C +OUT -OUT P M COM + 10 B4AR121051 YYWW -- + IN IN TOLERANCE IN INCHES XX± 0.02 XXX± 0.010 .550 (13.97) Specifications subject to change without notice. b4ar 8/97 20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630 • TEL: (949) 452-0511 • FAX: (949) 452-0512 • http://www.premiermag.com 1